Utility and rational consumer behaviour — practice question

Using the total utility schedule (units: 1→20, 2→36, 3→50, 4→62, 5→72, 6→80) and the marginal utility of money $1 = 3 units of utility, what is the greatest quantity purchased when price = $4?

• A2 units
• B3 units
• C4 units
• D5 units